/Engine/Plugins/Experimental/Mutable/Source/MutableRuntime/Public/MuR/Mesh.h
Make a map from the vertices in this mesh to thefirst matching vertex of the given mesh. If non is found, the index is set to -1.
struct VERTEX_MATCH_MAP
TArray< int >
m_firstMatch
One for every vertex.
TArray< int >
m_matches
The matches of every vertex in a sequence.